Name: ______________________ 8. 1 1 A : Re l at i o n s i n a Fo o d W eb Date: ______ Class Period _____Or ganis m s and Envir onm ents

___1 Which of the following describes a producer/consumer relationship in a marine environment?

A Green plants in the ocean are food for many fish.B Sea otters catch and eat clams and oysters.C Plants compete for space and sunlight in a garden.D Turtles depend on ocean currents to travel.

___2 Fleas consume the blood of mammals for their food source.Often the bite of a flea can cause illness. This relationship would be classified as which of the following?A Terrestrial producer/consumerB Terrestrial parasite/hostC Freshwater producer/consumerD Freshwater parasite/host

___3 Which of the following describes a predator/prey relationship in a marine environment?

A Wolves hunt in packs to capture buffalo.B Crabs feed on organic matter on the sea floor.C Pelicans eat many fish in the Gulf of Mexico.D Seals live in large groups for protection.

___4 Grasses on the prairie make their own food. In turn, these grasses provide food for many animals. This is an example of which of the following relationships?

A Freshwater producer/consumerB Freshwater predator/preyC Terrestrial producer/consumerD Terrestrial predator/prey

8.11A: Relations in a Food WebOrganisms and Environments

___5 A diagram of a Savannah food web is provided. Green plantsare shown on the bottom.

Which pair of organisms represents a predator/prey relationship?

A Acacia tree & impalaB Cheetah & lionC Aardvark & tawny eagleD Warthog & hare